‏الزهد والرقائق‏ : Hadeeth No:7132 The son of Abu Said al-Khudri reported on the authority of his father that Allaah's Messenger (sallAllaahu alayhi wa sallam) said. When one of you yawns while engaged in prayer, he should try to restrain so far as it lies in his power, since it is the Satan that enter therein....

‏الحج : Hadeeth No:2652 This hadith has been narrated on the authority of 'Amr b. Dinar with the same chain of transmitters, but none of them (the narrators) made a mention that he (the Prophet) was delivering address at 'Arafia except Sbu'ba....